The present invention relates to a compound formula [I]:
1
wherein
R
1
is hydrogen or halogen,
R
2
is hydrogen or an amino protective group,
R
3
is hydrogen or lower alkyl,
X is bond, —CH
2
— or —O—, and
Y is
2
in which R
4
is lower alkoxycarbonyl,
3
in which R
5
is carboxy(lower)alkyl, etc.,
4
in which R
6
is hydroxy, etc., and so on,
or a salt thereof. The compound [I] of the present invention and pharmaceutically acceptable salts thereof are useful for the prophylactic and/or the therapeutic treatment of pollakiurea or urinary incontinence.
本发明涉及一种化合物公式[I]:其中R1为氢或卤素,R2为氢或
氨基保护基,R3为氢或较低的烷基,X为键,-
CH2-或-O-,Y为2,其中R4为较低的烷氧羰基,3其中R5为羧基(较低)烷基等,4其中R6为羟基等等,或其盐。本发明的化合物[I]及其药学上可接受的盐对于预防和/或治疗尿频或尿失禁具有用处。